They say you should never cry over spilled milk - the exception being if it is spilled breast milk and you don't have enough of a supply to replace it.

Chrissy Teigen has shared two videos showing her trying to save the milk she’d expressed after it ended up on the floor.

In this week's episode of Honey Mums, Deb Knight talks to mum Tracy Lynch about how she cares for her son Ollie and catches up with Jody Allen from Stay At Home Mum about how she deals with stinky boys. (Article continues.)

"Spilled my breast milk and this is how it is in my house," the model mum writes on Twitter alongside the first video showing her trying to scoop some of it up.

"We're trying. I got some."

It turns out the mother-of-two is struggling with a low breast milk supply and couldn't afford to lose any.

"I'm so jealous of people with plentiful boobies," she says alongside the second video posted on July 18.

Teigen, 32, and husband, singer John Legend, 39, welcomed their second child, Miles, in May.

Their daughter Luna is now two.

The model and cookbook author is admired for her open and honest approach to parenting, sharing both poignant and candid moments on social media.

She recently posted a photo showing her breastfeeding Miles while also pretending to breastfeed her daughter’s doll. Meanwhile, Luna waits patiently nearby holding a blanket, ready to wrap her baby doll up.

Teigen also blasted a man who took a topless photo while she was pumping breast milk in her car.

"You can go f-ck yourself if you sell them," she wrote on in the since-deleted tweet on July 10.

"If I wanted to show you my salami nipples I'd show you my salami nipples on my own doing!"

Teigen recently made an appearance at a rally on behalf of migrant children who had been separated from their families, with baby Miles wrapped up tightly to her chest.

"Making America great doesn’t mean building walls to keep people out," she said during the moving speech. "It means continuing to embrace the dreams of immigrants who add to our culture, our economy, and our humanity."

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